Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262112AbUDHSHo (ORCPT ); Thu, 8 Apr 2004 14:07:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262106AbUDHSHo (ORCPT ); Thu, 8 Apr 2004 14:07:44 -0400 Received: from stat1.steeleye.com ([65.114.3.130]:52429 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S262112AbUDHSHn (ORCPT ); Thu, 8 Apr 2004 14:07:43 -0400 Subject: Re: [parisc-linux] rmap: parisc __flush_dcache_page From: James Bottomley To: Andrea Arcangeli Cc: Hugh Dickins , Linux Kernel , parisc-linux@parisc-linux.org In-Reply-To: <20040408175158.GK31667@dualathlon.random> References: <1081435237.1885.144.camel@mulgrave> <20040408151415.GB31667@dualathlon.random> <1081438124.2105.207.camel@mulgrave> <20040408153412.GD31667@dualathlon.random> <1081439244.2165.236.camel@mulgrave> <20040408161610.GF31667@dualathlon.random> <1081441791.2105.295.camel@mulgrave> <20040408171017.GJ31667@dualathlon.random> <1081446226.2105.402.camel@mulgrave> <20040408175158.GK31667@dualathlon.random> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-9) Date: 08 Apr 2004 13:07:31 -0500 Message-Id: <1081447654.1885.430.camel@mulgrave> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 690 Lines: 18 On Thu, 2004-04-08 at 12:51, Andrea Arcangeli wrote: > that path can take as long as timeslice to run, not taking interrupts > for a whole scheduler timeslice is pretty bad. OK, now I'm confused. Where's the whole timeslice bit coming from? the parisc flush_dcache_code better not take a timeslice to execute otherwise we're in very serious performance trouble. Does it take as long as a timeslice to do mmap[_shared] list insertion? James - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/